FBE is the GymnasticBodies nomenclature for Full Body Exercise like a pushup, pullup, squat, etc. Something that moves that some might call dynamic, I would call isokinetic ( moving through a ROM at a set speed ).

What's the 4th isometric position? Straddle-L or HS?

I'm not trying to argue minutia, but I believe isokinetic means exerting maximal force at a set velocity through the entire range of motion of a movement. Example: a bicep curl machine that supports your arms and you push a lever as hard as possible, but the speed is controlled by a machine.